django-auditlog/auditlog/middleware.py
Alieh Rymašeŭski 7801239387 Blacken the code
2021-06-24 13:04:48 +03:00

35 lines
1.1 KiB
Python

import contextlib
from auditlog.context import set_actor
@contextlib.contextmanager
def nullcontext():
"""Equivalent to contextlib.nullcontext(None) from Python 3.7."""
yield
class AuditlogMiddleware(object):
"""
Middleware to couple the request's user to log items. This is accomplished by currying the signal receiver with the
user from the request (or None if the user is not authenticated).
"""
def __init__(self, get_response=None):
self.get_response = get_response
def __call__(self, request):
if request.META.get("HTTP_X_FORWARDED_FOR"):
# In case of proxy, set 'original' address
remote_addr = request.META.get("HTTP_X_FORWARDED_FOR").split(",")[0]
else:
remote_addr = request.META.get("REMOTE_ADDR")
if hasattr(request, "user") and request.user.is_authenticated:
context = set_actor(actor=request.user, remote_addr=remote_addr)
else:
context = nullcontext()
with context:
return self.get_response(request)